Tipping truck



FIG. 1 is a front view of the tipping truck showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is an underneath plan view thereof;

FIG. 5 is a view of one side thereof; and,

FIG. 6 is a view of the other side thereof.

The broken line showing in FIG. 4 is included for the purpose ofillustrating environment and forms no part of the claimed design.

The ornamental design for a tipping truck, as shown and described.